1.8% is the change from 501 to 510
Calculation steps:
[( 510 - 501 ) ÷ 501] x 100 = 1.8%
Formula
Percentage change = [(510 - 501) / 501] x 100
Subtract the new number by the original number
510 - 501 = 9
9 ÷ 501 = 0.017964071856287425
0.017964071856287425 x 100 = 1.8%